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LakeQuality

Iso Kalajärvi

Ikaalinen, FinlandView mapDirections

Syke publishes the water-quality measurements for Iso Kalajärvi. Here is what has been measured.

Clarity
1 m
Typical for Finland
Secchi · sampled 2024
Phosphorus
16 µg/L
Typical for Finland
Measured by Syke
Chlorophyll-a
11 µg/L
Typical for Finland
Measured by Syke
Max depth
10 m
Bathymetric survey
  • 33 ft max depth
  • Limited data

Iso Kalajärvi in Ikaalinen, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 11 µg/L. Maximum depth: 32.8 ft.

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How Iso Kalajärvi is classified

Iso Kalajärvi in Finland is published with the authority's own measurements and class. The measurements here are published by the agency that samples the lake, as reported. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).

LakeQuality publishes no grade of its own beside it. Everything below thathas been measured is reported on this page.

Monitoring: the Finnish Environment Institute (Syke) and the ELY Centres.

Iso Kalajärvi is a lake in Ikaalinen County, Finland with a maximum depth of 33 feet.

Source: the Finnish Environment Institute (Syke) and the ELY Centres — not the EPA Water Quality Portal, last sampled 2024-08-01. Methodology: how these readings are compared.

What Iso Kalajärvi is good for

From access and monitoring records, not editorial picks.

  • Deep water32.8 ft surveyed max depth

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Iso Kalajärvi is safe to swim in today is a call for the Finnish Environment Institute (Syke) and the ELY Centres and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Iso Kalajärvi

These are the measurements Syke publishes for Iso Kalajärvi. More on the source.

Very murky, less than 3.3 ft of visibility. Phosphorus 16 µg/L. Chlorophyll-a 11 µg/L. TSI 53.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus16µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)11µg/LMeasured, not scored

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.53Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Iso Kalajärvi

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

10 m

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Fishing Iso Kalajärvi

Frequently asked questions about Iso Kalajärvi

Where is Iso Kalajärvi?

Iso Kalajärvi is a lake in Ikaalinen, Finland. This page reports official water-quality measurements, shown as reported.

What is the water quality of Iso Kalajärvi?

Iso Kalajärvi in Ikaalinen, Finland has official water-quality measurements, shown as reported. Water clarity: 1 m visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 11 µg/L. Maximum depth: 32.8 ft.

Measurements on this page ↑

Is Iso Kalajärvi safe to swim in?

Iso Kalajärvi has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.

Swimming on this page ↑

How deep is Iso Kalajärvi?

Iso Kalajärvi has a maximum depth of 32.8 feet.

Where this data comes from

3 measurements from 1 monitoring station, 2024. Retrieved from Syke VESLA (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • Finnish Environment Institute (Syke) and ELY Centressyke-vesla3 samples · 2024

Analytical methods

  • SYKE VESLA
Monitoring station identifiers (1)
  • 49777

Authority classifications are shown as the authority published them. See where the data comes from and data sources.